TY - JOUR A1 - Liu, Y. J. A1 - Clemesha, B. R. A1 - Wang, J. H. A1 - Cheng, X. W. T1 - Comparison of sporadic sodium layer characteristics observed at different time resolutions JO - Ann. Geophys. J1 - ANGEO VL - 31 IS - 11 SP - 1899 EP - 1912 Y1 - 2013/11/04 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/31/1899/2013/ L1 - https://angeo.copernicus.org/articles/31/1899/2013/angeo-31-1899-2013.pdf DO - 10.5194/angeo-31-1899-2013 ER -